What is Cynthia Santillan's specialty?

Cynthia Santillan (NPI 1932132404) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in San Diego, CA.

Where does Cynthia Santillan practice?

Cynthia Santillan practices in San Diego, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1932132404.

How much does Medicare pay Cynthia Santillan?

Cynthia Santillan (NPI 1932132404) received approximately $109K in total Medicare Part B payments, serving 1,690 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1932132404

Cynthia SantillanM.D.

PRACTICEUCSDSee all providers at this practice →

Diagnostic RadiologySan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,945

Unique beneficiaries

—

Total services

4,724

Distinct HCPCS

Medicare payment

$99K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — above median (cohort median 2,975).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

84.1

Cost

73.9

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$121

Payment records

By payment type

Food and Beverage$121

Top paying entities

Food and Beverage$121

REFERRAL NETWORK

Where Cynthia Santillan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 53 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
REGENTS OF THE UNIVERSITY OF CALIFORNIA	652	2,873
William Ladd Diagnostic Radiology · San Diego, CA	147	338
Albert Hsiao Diagnostic Radiology · San Diego, CA	118	241
Sharon Brouha Diagnostic Radiology · San Diego, CA	84	164
RENNER, JOHN	80	193
GHAHREMANI, GARY	42	107
Unilab Corporation Clinical Laboratory · West Hills, CA	35	103
MAFEE, MAHMOOD	31	59
Anthony Demaria Cardiology · San Diego, CA	27	66
Daniel Blanchard Cardiology · San Diego, CA	25	47
Sebastian Obrzut Diagnostic Radiology · Portland, OR	23	42
Evelyne Fliszar Diagnostic Radiology · San Diego, CA	23	38

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events